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Finding the Fourth Proportional to 32,400.48, 44,715.90 and 18,970.92

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Solution

The fourth proportional to 32,400.48, 44,715.90 and 18,970.92 is: 26,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.48 : 44,715.90 = 18,970.92 : x
  2. Step 2: Convert to fraction form
    32,400.48/44,715.90 = 18,970.92/x
  3. Step 3: Cross multiply
    32,400.48x = 44,715.90 × 18,970.92
  4. Step 4: Simplify right side
    32,400.48x = 848,301,761.63
  5. Step 5: Solve for x
    x = 848,301,761.63/32,400.48
  6. Step 6: Final answer
    x = 26,181.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.